function Nav1(menuItem, bon) {
	if( document.getElementById ) {
		newClass = '';
		if (bon) {
			newClass = "Nav1on";
		}
		menuItem.parentNode.className = newClass;
	}	
}

function Nav2(menuItem, bon) {
	if( document.getElementById ) {
		newClass = '';
		if (bon) {
			newClass = "Nav2on";
		}
		menuItem.parentNode.className = newClass;
	}	
}

function Nav3(menuItem, bon) {
	if( document.getElementById ) {
		newClass = '';
		if (bon) {
			newClass = "Nav3on";
		}
		menuItem.parentNode.className = newClass;
	}	
}

/* function triNav(menuItem, bon) {
	if( document.getElementById ) {
		newClass = '';
		if (bon) {
			newClass = "nav3on";
		}
		menuItem.parentNode.className = newClass;
	}	
}

function chgClass(element, newClass) {
	if( document.getElementById ) {
		element.className = newClass;
	}
}

*/